Print outputs of non-admin Windows user as soon as possible

Author: larskanis

bin/windows_run_as_user

@@ -5,6 +5,7 @@ testuser = "testuser"
 testpassword = "Password123+"
 
 # Remove a previous test user if present
+# See https://learn.microsoft.com/en-us/windows-server/administration/windows-commands/net-user
 system("net user #{testuser} /del 2>NUL")
 # Create a new non-admin user
 system("net user #{testuser} \"#{testpassword}\" /add")
@@ -26,8 +27,9 @@ IO.pipe do |stdout_read, stdout_write|
     startup_info: { stdout: stdout_write, stderr: stdout_write }
 
   stdout_write.close
-  out = stdout_read.read
-  puts out
+  stdout_read.each_line do |line|
+    puts(line)
+  end
 end
 
 # Wait for process to terminate